GHSA-F7QG-XJ45-W956

Vulnerability from github – Published: 2025-09-15 20:31 – Updated: 2025-09-22 15:49
VLAI?
Summary
Ghost vulnerable to Server Side Request Forgery (SSRF) via oEmbed Bookmark
Details

Impact

A vulnerability in Ghost's oEmbed mechanism allows staff users to exfiltrate data from internal systems via SSRF.

Vulnerable versions

This vulnerability is present in Ghost v5.99.0 to v5.130.3 to and Ghost v6.0.0 to v6.0.8.

Patches

v5.130.4 and v6.0.9 contain a fix for this issue.

References

The original report is available here: https://fluidattacks.com/advisories/regida

We thank Cristian Vargas for discovering and disclosing this vulnerability responsibly.

For more information

If you have any questions or comments about this advisory, email us at security@ghost.org.

Severity ?
6.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 6.0.8"
      },
      "package": {
        "ecosystem": "npm",
        "name": "ghost"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.0.0"
            },
            {
              "fixed": "6.0.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 5.130.3"
      },
      "package": {
        "ecosystem": "npm",
        "name": "ghost"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.99.0"
            },
            {
              "fixed": "5.130.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-9862"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-09-15T20:31:14Z",
    "nvd_published_at": "2025-09-17T15:15:43Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nA vulnerability in Ghost\u0027s oEmbed mechanism allows staff users to exfiltrate data from internal systems via SSRF.\n\n### Vulnerable versions\n\nThis vulnerability is present in Ghost v5.99.0 to v5.130.3 to and Ghost v6.0.0 to v6.0.8.\n\n### Patches\n\nv5.130.4 and v6.0.9 contain a fix for this issue.\n\n### References\n\nThe original report is available here: https://fluidattacks.com/advisories/regida\n\nWe thank Cristian Vargas for discovering and disclosing this vulnerability responsibly. \n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at [security@ghost.org](mailto:security@ghost.org).",
  "id": "GHSA-f7qg-xj45-w956",
  "modified": "2025-09-22T15:49:29Z",
  "published": "2025-09-15T20:31:14Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/TryGhost/Ghost/security/advisories/GHSA-f7qg-xj45-w956"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-9862"
    },
    {
      "type": "WEB",
      "url": "https://github.com/TryGhost/Ghost/commit/01d64c7c0ffbf90cd036195c60ded6d08077d612"
    },
    {
      "type": "WEB",
      "url": "https://github.com/TryGhost/Ghost/commit/ffe9d079afa68557c581d224f1ff126e625b06e3"
    },
    {
      "type": "WEB",
      "url": "https://fluidattacks.com/advisories/regida"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/TryGhost/Ghost"
    },
    {
      "type": "WEB",
      "url": "https://github.com/TryGhost/Ghost/releases/tag/v6.0.9"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Ghost vulnerable to Server Side Request Forgery (SSRF) via oEmbed Bookmark"
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.